A circle's center is at #(4 ,2 )# and it passes through #(6 ,7 )#. What is the length of an arc covering #(5pi ) /3 # radians on the circle?
1 Answer
Arc length
Explanation:
Let the radius of the circle be
Let the length of arc be
Distance from the circles centre to any point on its circumference is always the same.
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So the length of arc
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Circumference =
and we have